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Unformatted text preview: MIME 2300 Test 1 Name _______________________ Section ______ February 18, 2008 In all the problems show all equations used with variables and then with values substituted so partial credit can be given wherever possible. Give units on all answer. On problems where appropriate, draw coordinate systems, datums, FBDs, K.Ds or velocity diagrams. 1. a) What does Hibbeler mean by erratic motion? (3 points) Erratic motion is * motion described by experimental data or multiple equations b) Describe the major difference between velocity and speed. Do not give equations. (3 points) Velocity is * velocity is a vector quantity Speed is * the magnitude of velocity c) In the r, problems, how is defined and what is meaning of if it is negative? (4 points total) is * the angle from the extended radial line to the tangent direction negative value of means * to rotate clockwise from the extended radial line to the tangent line. Page 1 of 4 1 __________/10 2 __________/30 3 __________/32 4 __________/28 Total ______/100 2. The 0.5 lb block B shown in the figure slides along the rotating bar OA. The coefficient of kinetic friction between B and OA is k =0.2. In the position shown, =0....
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